DUBLIN, Ohio (July 9, 2003 – Cardinal Health, Inc. (NYSE: CAH), the leading provider of products and services supporting the health care industry, will be hosting its quarterly earnings conference call to discuss the company’s fourth quarter fiscal 2003 financial results on Thursday, July 31, 2003. The conference call will start at 11:00AM ET and will be webcast live at the Investor Relations page at www.cardinal.com. Interested parties can also listen to the live presentation by calling 706-679-0766. An audio replay can be accessed by dialing 706-645-9291 (passcode 863641) until midnight on August 2, 2003. A webcast replay will also be available at the Investor Relations page on www.cardinal.com.

ABOUT CARDINAL HEALTH

Cardinal Health, Inc. (www.cardinal.com) is the leading provider of products and services supporting the health-care industry. Cardinal Health businesses develop, manufacture, package and market products for patient care; develop drug-delivery technologies; distribute pharmaceuticals, medical-surgical and laboratory supplies; and offer consulting and other services that improve quality and efficiency in health care. Headquartered in Dublin, Ohio, Cardinal Health employs approximately 50,000 people on five continents and produces annual revenues of more than $47 billion. Cardinal Health is ranked #19 on the current Fortune 500 list and was named one of ‘The World’s Best’ companies by Forbes magazine in 2003.